linux-kernel - Re: [RFC PATCH v2 1/3] Add KUnit Struct to Current Task

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Message-ID: <CACT4Y+bbVtwfYUC_v3V0ZBh2kVwp=PHKq6Jyqiz6BVbLTtL3bQ@mail.gmail.com>
Date:   Tue, 24 Mar 2020 12:32:50 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Patricia Alfonso <trishalfonso@...gle.com>
Cc:     David Gow <davidgow@...gle.com>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        kunit-dev@...glegroups.com,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>
Subject: Re: [RFC PATCH v2 1/3] Add KUnit Struct to Current Task

On Thu, Mar 19, 2020 at 5:42 PM Patricia Alfonso
<trishalfonso@...gle.com> wrote:
>
> In order to integrate debugging tools like KASAN into the KUnit
> framework, add KUnit struct to the current task to keep track of the
> current KUnit test.
>
> Signed-off-by: Patricia Alfonso <trishalfonso@...gle.com>
> ---
>  include/linux/sched.h | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index 04278493bf15..1fbfa0634776 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -1180,6 +1180,10 @@ struct task_struct {
>         unsigned int                    kasan_depth;
>  #endif
>
> +#if IS_BUILTIN(CONFIG_KUNIT)
> +       struct kunit                    *kunit_test;
> +#endif /* IS_BUILTIN(CONFIG_KUNIT) */
> +

Why can't this be used if KUNIT is built as a module?